diff --git a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/EventRelationsAggregationUpdater.kt b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/EventRelationsAggregationUpdater.kt
index c6e6d3bc..a7b6edd6 100644
--- a/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/EventRelationsAggregationUpdater.kt
+++ b/matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/EventRelationsAggregationUpdater.kt
@@ -45,6 +45,7 @@ internal class EventRelationsAggregationUpdater @Inject constructor(monarchy: Mo
         EventEntity.types(it, listOf(
                 EventType.MESSAGE,
                 EventType.REDACTION,
+                EventType.REACTION,
                 EventType.ENCRYPTED)
         )
     }